Answer:
Step-by-step explanation:
Sine is opposite divided by the hypotenuse.
sin(30) = 9/y
1/2 = 9/y
y = 18
Cosine is adjacent divided by the hypotenuse
cos(30) = x/18

Answer:

Step-by-step explanation:

Subtract p on both sides.


Divide both sides by pr.


The answer is a) although they are not independent, since they are less than 5% of the population, they can be treated as independent.
Please tell me if you dont understand. ill break it down for you
Answer:
the actual answer is 12.7777777778 but you can break it down to about 12.8
Step-by-step explanation:
Hope this helps :)